Trend roundups

Weekly limits tightened and GPT-6 Luna landed at half the price of GPT-5.6 Luna in the same week. The plan and price numbers developers measured in September 2026, and the planner plus executor split they point to.

• coding-agents
• ai-coding-tools
• model-routing
• claude-code

A week after launch, Jev had a trusted monitor, two computer-use agents, three self-hosted clones, a benchmark and a chatbot nobody should use. Here is the stack slot each project fills, and which of their numbers anyone has shown.

• system-one-models
• jev
• ai-agents
• benchmarks

The open-source alternatives to Jev are Laya, Kev, SemIf, Open-Jev and Nimble. They are four kinds of project, and here is what each one replaces.

• system-one-models
• jev
• open-source
• local-ai

The first edition of our AI coding tool switch series starts with a very small September 2026 sample. Cursor and Claude Code lead, while co-use is more common than switching.

• ai-coding-tools
• coding-agents
• cursor
• claude-code

August is supposed to be the quiet month. Instead we got a compiler changing languages, a protocol getting audited in public, and Hacker News once again deciding that Postgres is the answer to every question. Here is what actually moved in developer stacks this month - not the product launches, but the shifts that change what you would put in a new project today.

• monthly-roundup
• trends